html,body,div,span,applet,object,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video {
  margin:0;
  padding:0;
  border:0;
  font-weight:normal;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
  display: block;
}
body {
  line-height: 1;
  font-family: Microsoft YaHei, sans-serif , Alibaba PuHuiTi-Medium, Alibaba PuHuiTi;
}
ol, ul, li{
  list-style: none;
  margin: 0;
  padding: 0;
}
blockquote, q {
  quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/**/
.class1 {
  border-bottom: 0 !important;
}
body {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: black;
}
.screen-container-wrapper {
  flex-shrink: 0;
  width: 1920px;
  height: 1080px;
}
html, body {
  width: 100%;
  height: 100%;
}
body{
  overflow:hidden ;
}
/*滚动条样式*/
::-webkit-scrollbar, ::-webkit-scrollbar {
  width: 5px; /*对垂直流动条有效*/
  height: 5px; /*对水平流动条有效*/
  border-radius: 7px;
}

/*定义滚动条的轨道颜色、内阴影及圆角*/
::-webkit-scrollbar-track,::-webkit-scrollbar-track{
  -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);
  background-color: rgba(0,0,0,0.05);
  border-radius: 3px;
}

/*定义滑块颜色、内阴影及圆角*/
::-webkit-scrollbar-thumb,::-webkit-scrollbar-thumb{
  border-radius: 7px;
  -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);
  background-color: #5582e0;
}
em{
  font-weight:600;
  font-style: normal;
}
.screen-pointer{
  cursor: pointer;
}

.clearfix:after {visibility: hidden;display: block;font-size: 0;content: ".";clear: both;height: 0;}
* html .clearfix {zoom: 1;}
*:first-child + html .clearfix {zoom: 1;}
.fl {	float:left;}
.fr {	float:right;}
.none{	display:none;}
.mr5{margin-right: 5px;}
.mr10{margin-right: 10px;}
.mr15{margin-right: 15px;}
.mb20{margin-bottom: 20px;}
.white{color:#fff !important;}